Fired when the browser has started importing a set of bookmarks.
While a set of bookmarks is being imported,
onCreated
may fire a lot of times. If your extension is listening to
onCreated
, and the listener is expensive, you should also listen for
onImportBegan
and
onImportEnded
. When you receive
onImportBegan
, ignore
onCreated
until you receive
onImportEnded
. You can handle all other notifications as usual.
browser.bookmarks.onImportBegan.addListener(listener)
浏览器
.
bookmarks
.
onImportBegan
.
removeListener
(
listener
)
浏览器
.
bookmarks
.
onImportBegan
.
hasListener
(
listener
)
Events have three functions:
addListener(callback)
Adds a listener to this event.
removeListener(listener)
Stop listening to this event. The
listener
argument is the listener to remove.
hasListener(listener)
校验是否
listener
is registered for this event. Returns
true
if it is listening,
false
否则。
callback
Function that will be called when this event occurs. It's passed no parameters.
BCD tables only load in the browser
function handleImportBegan() {
console.log("Importing...");
}
function handleImportEnded() {
console.log("...finished.");
}
function handleClick() {
browser.bookmarks.onImportBegan.addListener(handleImportBegan);
browser.bookmarks.onImportEnded.addListener(handleImportEnded);
}
browser.browserAction.onClicked.addListener(handleClick);
注意：
This API is based on Chromium's
chrome.bookmarks
API. This documentation is derived from
bookmarks.json
in the Chromium code.
Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.
最后修改： , 由 MDN 贡献者